In reply to Nick B. I'd just like to confirm that on my system disabling the SyncToVblank option in compiz solved my problem. I am now able to switch users without any problems. I suspect there are two bugs in play here that give similar symptoms as mine was definitely a compiz problem.
Regards, Iain -- Switch User freezes at blank screen https://bugs.launchpad.net/bugs/112518 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs